package com.example.demo.customer;

import com.example.demo.exception.NotFoundException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Objects;

@Service
public class CustomerService {
    private final static Logger LOGGER= LoggerFactory.getLogger(CustomerService.class);

    private final CustomerRepository customerRepository;
    @Autowired
    public CustomerService( CustomerRepository customerRepository) {
        this.customerRepository =customerRepository;
    }

List<Customer> getCustomers() {
        LOGGER.info("getCustomers called");
        return customerRepository.findAll();}

 Customer getCustomer(Long id){
return customerRepository
        .findById(id)
        .orElseThrow(() ->{
            NotFoundException notFoundException =  new NotFoundException("cutomer"+ id + "无法找到");
     LOGGER.error("error:getCustomer{}"+ id,notFoundException);
     return notFoundException;
 });
}

}
